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Sheath or covering
In biology, a theca (pl.: thecae) is a sheath or a covering. In botany, the theca is related to plant's flower anatomy. The theca of an angiosperm consists
Theca
Bilateral functional ovarian cyst
Theca lutein cyst is a type of bilateral functional ovarian cyst filled with clear, straw-colored fluid. These cysts result from exaggerated physiological
Theca_lutein_cyst
Layer of the ovarian follicles
follicles. The theca are divided into two layers, the theca interna and the theca externa. Theca cells are a group of endocrine cells in the ovary made
Theca_of_follicle
Extinct class of marine invertebrates
interlocking plates of calcium carbonate, which formed the main body, or theca. In life, the theca of a typical blastoid was attached to a stalk or column made up
Blastoid
Medical condition
Thecomas or theca cell tumors are benign ovarian neoplasms composed only of theca cells. Histogenetically they are classified as sex cord-stromal tumours
Thecomas
Tree species native to South and Southeast Asia
canescens Moldenke Tectona grandis f. pilosula Moldenke Tectona grandis f. punctata Moldenke Tectona grandis f. tomentella Moldenke Tectona theca Lour.
Teak
the theca interna cells differentiate into the theca lutein cells of the corpus luteum. Theca lutein cells secrete androgens and progesterone. Theca lutein
Theca_interna
Aquatic, unicellular protists with two flagella
support overlapping cellulose plates to create a sort of armor called the theca or lorica, as opposed to athecate ("nude") dinoflagellates. These occur
Dinoflagellate
The theca externa is the outer layer of the theca folliculi. It is derived from connective tissue, the cells resembling fibroblasts, and contains abundant
Theca_externa
Superclass of single-celled organisms
suture dividing the theca in two. However, on rRNA trees the Prorocentrales are split up. The groups of dinoflagellates without theca are understood to
Dinokaryota
Extinct species of cnidarian
Auroralumina attenboroughii is an organism composed of two goblet-shaped theca, which split of from a poorly preserved central stalk, and attains a length
Auroralumina
Species of gastropod
Sutilizona theca is a species of sea snail, a marine gastropod mollusc in the family Sutilizonidae. This marine species occurs in hydrothermal vents.
Sutilizona_theca
Moth species in family Batrachedridae
Batrachedra theca is a moth in the family Batrachedridae. It is found in Mexico. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.;
Batrachedra_theca
Class of echinoderms
as the theca, and a set of five rays or arms, usually branched and feathery. The mouth and anus are both located on the upper side of the theca, making
Crinoid
Medical condition
Hyperthecosis, or ovarian hyperthecosis, is hyperplasia of the theca interna of the ovary. Hyperthecosis occurs when an area of luteinization occurs along
Hyperthecosis
Structure containing a single egg cell
single competent oocyte in humans. They also consist of granulosa cells and theca of follicle. Once a month, one of the ovaries releases a mature egg (ovum)
Ovarian_follicle
Natural changes in the human female reproductive system
ovaries contain a finite number of egg stem cells, granulosa cells and theca cells, which together form primordial follicles. At around 20 weeks into
Menstrual_cycle
Temporary endocrine structure in ovaries
enhanced steroidogenesis in the corpus luteum. Like the previous theca cells, the theca lutein cells lack the aromatase enzyme that is necessary to produce
Corpus_luteum
Reproductive structure in flowering plants
inside the spores. Diagram of anther in cross section. 1: Filament; 2: Theca; 3: Connective (conducting vessels in red); 4: Pollen sac Diagram of angiosperm
Flower
Anatomical structure
differently sized thecae. The theca which is a bit smaller has an edge which fits slightly inside the corresponding edge of the larger theca. This overlapping region
Frustule
Italian writer and philosopher (1265–1321)
ISBN 978-90-420-2321-5. Retrieved March 27, 2017. "The testimonies of the chronicles". E-theca.net. Archived from the original on March 24, 2012. Retrieved May 9, 2011
Dante_Alighieri
Subclass of Pterobranchs in the phylum Hemichordata
share a colony structure of interconnected zooids housed in organic tubes (theca) which have a basic structure of stacked half-rings (fuselli). Most extinct
Graptolite
Process of maturation of primordial follicles
the basal lamina, and undergo cytodifferentiation to become the theca externa and theca interna. An intricate network of capillary vessels forms between
Folliculogenesis
Container for religious relics
feretory. A brooch-like container for a very small relic may be called a "theca". Relics may be the purported or actual physical remains of saints, and
Reliquary
Extinct genus of marine invertebrates
continent where it was found. C. curvata is named for the curved form of its theca. C. elizae honors Elizabeth Gray, who collected the specimens upon which
Cothurnocystis
Extinct genus of marine invertebrates
bilateral deuterostome animal typically 20-50 mm in length with a stem, theca and two feeding appendages. The stem is divided into two parts, distal and
Yanjiahella
City in South Dakota, United States
New Underwood (Lakota: wóȟešma tȟéča; "new undergrowth") is a city in Pennington County, South Dakota, United States. The population was 590 at the 2020
New_Underwood,_South_Dakota
Genus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Kentrophoros
Endogenous weak androgen
17β-hydroxysteroid dehydrogenase. Androstenedione is released into the blood by theca cells. Conversion of androstenedione to estrone requires the enzyme aromatase
Androstenedione
Excess androgens in the body
interstitial cells, located between other cells, into luteinized theca cells. Theca cells are located in the ovarian follicles and become luteinized when
Hyperandrogenism
Genus of protists in the ciliates phylum
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Avelia
Genus of eocrinoid
Ubaghsicystis has a globular theca, or body, that is taller than it is wide, with a columnar stem. The plating of the theca forms more regular circles towards
Ubaghsicystis
Female reproductive organ that produces egg cells
granulosa cells inside it), corona radiata, zona pellucida, and primary oocyte. Theca of follicle, antrum and liquor folliculi are also contained in the follicle
Ovary
Species of single-celled organism
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Ophryocystis_elektroscirrha
Egg cell production process
internal and external theca cells begin to form. Aromatase, produced by follicular cells, transforms androgens produced by the inner theca into estrogens under
Oogenesis
Genus of unicellular ciliates
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Paramecium
Tubular sheath of dura mater that surrounds the spinal cord and cauda equina
The thecal sac or dural sac is the membranous sheath (theca) or tube of dura mater that surrounds the spinal cord and the cauda equina. The thecal sac
Thecal_sac
Structure derived from the corpus luteum
after expulsion of the ovum from the follicle, the remaining granulosa and theca interna cells change rapidly into lutein cells. They enlarge in diameter
Corpus_albicans
Genus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Didinium
Group of eukaryotic organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Chromalveolata
Extinct order of cnidarians
known from their hard external structures (alternatively referred to as a theca, periderm or test), which were pyramidal in shape and made up of numerous
Conulariida
Species of single-celled organism
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Plasmodium_relictum
Fluid-filled sac in the ovary
the menstrual cycle. A corpus luteum that is more than 3 cm is abnormal. Theca lutein cysts occur within the thecal layer of cells surrounding developing
Ovarian_cyst
cells, each of which retains half the parent theca, at least temporarily. During desmoschisis, the theca undergoes fission along a predetermined suture
Desmoschisis
Species of single-celled organism
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Plasmodium_juxtanucleare
Species of single-celled organism
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Plasmodium_gabaldoni
Reproductive organ of male arthropods
be the partially sclerotized phallotheca, also called the phallosoma or theca. In some species the phallotheca contains a space, called the endosoma (internal
Aedeagus
Extinct genus of marine invertebrates
21cm in the largest individuals. Aside from the length, most stalk and theca features, such as epispires for respiration, are typical of Early to Middle
Lyracystis
Primary female sex hormone
and 17,20-lyase, whereas theca cells express these enzymes and 17β-HSD but lack aromatase. Hence, both granulosa and theca cells are essential for the
Estrogen
Part of an ovary
mature follicle has formed and no novel cells are detectable. Granulosa and theca cells continue to undergo mitosis concomitant with an increase in antrum
Antral_follicle
American obstetrician who is the principal innovator of the first artificial human ovary
granulosa cells were inserted into the honeycomb shape the theca cells formed. In days, the theca cells enveloped the granulosa and eggs, mimicking a real
Sandra_Carson
Historical subfield of logic, 12th-century
ISBN 9780888441324. "1302-1303". e-theca.net. Retrieved 2012-04-06. "1311". e-theca.net. Retrieved 2012-04-05. "(2006) CrOv". e-theca.net. Retrieved 2012-04-05
Logica_nova
Subgenus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Haemamoeba
Order of algae
completely covered in scales, which fuse around the cell body producing the theca, but remain individually separated on the flagella, of which there are typically
Chlorodendrales
Liquid mixture produced by the vagina
Ovarian apoplexy Ovarian cyst Corpus luteum cyst Follicular cyst of ovary Theca lutein cyst Ovarian hyperstimulation syndrome Ovarian cancer Ovarian germ
Vaginal_discharge
Medical condition
Ovarian apoplexy Ovarian cyst Corpus luteum cyst Follicular cyst of ovary Theca lutein cyst Ovarian hyperstimulation syndrome Ovarian cancer Ovarian germ
Vaginal_stenosis
Subclass of protists
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Coccidia
Bioluminescent, marine dinoflagellate
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Noctiluca
Species of protozoan parasite
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Toxoplasma_gondii
hormones. It is primarily present in steroid-producing cells, including theca cells and luteal cells in the ovary, Leydig cells in the testis and cell
Steroidogenic acute regulatory protein
Steroidogenic_acute_regulatory_protein
Class of algae
taxon to the diatoms (Bacillariophyceae). They lack the characteristic theca of the diatoms, and have been proposed as an intermediate group between
Bolidophyceae
Genus of single-celled organisms
plates. Peridinium is enclosed by cellulose theca and with two flagellates. The composition of the theca is laminaribiose and laminaritriose linking by
Peridinium
Genus of ciliated protists
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Spirostomum
Periodic shedding of the uterine lining
surrounded by a layer of granulosa cells, which are enveloped by the basement membrane and theca cells. The magnification is around 1000 times. (H&E stain)
Menstruation
County of the Kingdom of Hungary
Aszód- palace Pomáz - Palace from above "KlimoTheca :: Könyvtár". Kt.lib.pte.hu. Retrieved 2012-06-26. "KlimoTheca :: Könyvtár". Kt.lib.pte.hu. Archived from
Pest-Pilis-Solt-Kiskun_County
Medical condition
Granulosa cell tumour Other names Granulosa-theca cell tumours or Folliculoma Micrograph of a juvenile granulosa cell tumour with hyaline globules. H&E
Granulosa_cell_tumour
Genus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Margolisiella
Genus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Barrouxia
Species of tree
anthotheca was taken from the Greek word anthos, meaning flower, while theca refers to a capsule. It is known by a number of other common names, including
Khaya_anthotheca
Extinct class of marine invertebrates
called the theca, and a posterior appendage called a stele. The overall shape of cinctans has been compared to a tennis racquet. The theca of cinctans
Cincta
Excessive growth of bacteria in the vagina
Ovarian apoplexy Ovarian cyst Corpus luteum cyst Follicular cyst of ovary Theca lutein cyst Ovarian hyperstimulation syndrome Ovarian cancer Ovarian germ
Bacterial_vaginosis
Genus of protists
has one flagellum with a flagellar pocket, and an external envelope or 'theca' with long hairs of around 110 nm. Unlike other unicellular opisthokonts
Tunicaraptor
Specialised layer of cells the anther of flowering plants
Schematic of anther (1: Filament 2: Theca 3: Connective 4: Pollen sac or Microsporangium)
Tapetum_(botany)
Order of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Neogregarinorida
Order of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Noctilucales
Protrusion of the bladder into the vagina
Ovarian apoplexy Ovarian cyst Corpus luteum cyst Follicular cyst of ovary Theca lutein cyst Ovarian hyperstimulation syndrome Ovarian cancer Ovarian germ
Cystocele
Genus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Gymnodinium
Phylum of green algae
unicellular flagellates (monadoids) surrounded by an outer cell covering or theca of organic extracellular scales composed of proteins and ketosugars. Some
Chlorophyta
Genus of single-celled organisms
list growth. The theca consists of 17 or 18 plates which are divided into epithecal, hypothecal, girdle, and ventral area. The theca are divisible into
Ornithocercus
Genus of Conoidasida in the apicomplex phylum
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Aggregata
Subclass of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Haemosporidiasina
Clade of protists
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Alveolate
Order of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Achromatorida
Study of flower structures
usually formed by two thecae, but sometimes it can be constituted by a single theca, as in malvaceae and cannaceae, or by three, in the case of Megatritheca
Floral_morphology
Suborder of microscopic, spore-forming parasites
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Adeleorina
County of the Kingdom of Hungary
Wendish by the Hungarian authorities. "KlimoTheca :: Könyvtár". Kt.lib.pte.hu. Retrieved June 24, 2012. "KlimoTheca :: Könyvtár". Kt.lib.pte.hu. Archived from
Vas_County_(former)
Genus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Frenkelia
Class of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Spirotrich
Largest genus of plants in the mint family
pollinator probes a male stage flower for nectar, (pushing the posterior anther theca) the lever causes the stamens to move and the pollen to be deposited on
Salvia
Type of egg mass made by some molluscs, mantises and cockroaches
combination of oo-, meaning "egg", from the Greek word ōon (cf. Latin ovum), and theca, meaning a "cover" or "container", from the Greek theke. Ootheke is Greek
Ootheca
Subgenus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Sauramoeba
Genus of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Stylonychia
Class of single-celled organisms
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Litostomatea
County of the Kingdom of Hungary
22586/csp.v51i2.8927. ISSN 0590-9597. "KlimoTheca :: Könyvtár". Kt.lib.pte.hu. Retrieved 6 December 2012. "KlimoTheca :: Könyvtár". Kt.lib.pte.hu. Archived
Zala_County_(former)
Medical condition
enhance the LH-mediated stimulation of androgen production by theca cells. In addition, theca cells predominantly secrete the relatively weak androgen androstenedione
Follicle-stimulating hormone insensitivity
Follicle-stimulating_hormone_insensitivity
Splitting of a plant structure to release contents
Usually this site is observed as an indentation between the locules of each theca and runs the length of the anther, but in species with poricidal anther
Dehiscence_(botany)
Hormone-producing glands of a body
ovaries produce FSH and LH/hCG receptors. At 20 weeks of gestation, the theca cell precursors are present and oogonia mitosis is occurring. At 25 weeks
Endocrine_system
Family of dinoflagellates (algae)
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Symbiodiniaceae
Genus of protozoans
(Alphamonas) Voromonadidae (Voromonas) Dinoflagellata Dinokaryota With a theca: Dinophysiales (Dinophysis, Histioneis, Ornithocercus, Oxyphysis) Gonyaulacales
Loxodes
Mammalian protein found in Homo sapiens
ridge Leydig cell spermatocyte seminiferous tubule adrenal cortex placenta theca folliculi epithelium of epididymis lip decidua More reference expression
CYP17A1
THECA
THECA
Surname or Lastname
English
English : nickname for a light-hearted or frivolous person, from Middle English toy ‘play’, ‘sport’ (of uncertain origin), or from an occasional medieval personal name, Toye.French : metonymic occupational name for a sheath maker, from Old French toie ‘sheath’ (Latin theca).
THECA
THECA
Boy/Male
Hindu
Couple
Male
Hebrew
(×¢Ö²× Ö¸×”) Hebrew name ANAH means "answer." In the bible, this is the name of a son of Zibeon.Â
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Mythological, Telugu
A Famous Gupta King
Girl/Female
Hindu
Playful or one who gives pleasure
Boy/Male
Latin
Attendant.
Girl/Female
Danish, German, Polish, Swedish
Violet
Girl/Female
Gujarati, Hindu, Indian
Part of Grand.; Splendid; Big; Goddess Parvati / Durga; Polite
Girl/Female
Assamese, Celebrity, Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Sanskrit, Sindhi, Tamil, Traditional
Brightness; Light; Ray of Light
Girl/Female
Hindu, Indian, Traditional
Soft; Innocent
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Tamil, Telugu
Undying
THECA
THECA
THECA
THECA
THECA
n.
That part of an anther which connects its thecae, lobes, or cells.
a.
Of or pertaining to a theca; as, a thecal abscess.
n.
A capsule developed on certain hydroids (Thecaphora), inclosing the blastostyle upon which the medusoid buds or gonophores are developed; -- called also gonangium, and teleophore. See Hydroidea, and Illust. of Campanularian.
n.
A sheath; a theca; as, the vagina of the portal vein.
a.
Having four loculaments, or thecae.
a.
Having the spores in thecae, or cases.
n.
The theca of mosses.
n. pl.
A division of hydroids comprising those which have the hydranths in thecae and the gonophores in capsules. The campanularians and sertularians are examples. Called also Thecata. See Illust. under Hydroidea.
n.
The chitinous cup which protects the hydranths of certain hydroids.
n.
See Basigynium.
n.
The wall forming a calicle of a coral.
n.
The more or less cuplike calicle of a coral.
a.
Of or pertaining to a vagina; resembling a vagina, or sheath; thecal; as, a vaginal synovial membrane; the vaginal process of the temporal bone.
pl.
of Theca
n.
A surface or organ bearing a theca, or covered with thecae.
n. pl.
Same as Thecophora.
n.
A sheath; a case; as, the theca, or cell, of an anther; the theca, or spore case, of a fungus; the theca of the spinal cord.
n.
One of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian.
a.
Having two thecae, cells, or compartments.
n.
A hollow body shaped like an urn, in which the spores of mosses are contained; a spore case; a theca.